Laser



FIG. 1 is a perspective view of a laser.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is a right side view thereof.

FIG. 6 is top view thereof; and,

FIG. 7 is a bottom view thereof.

Any broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a laser, as shown and described. 